Isuzu i-370 MPG

The 2008 Isuzu i-370 gets 18 mpg combined (16 city, 22 highway): about $2,133 a year in fuel at $3.20 a gallon and 12,000 miles.

EPA fueleconomy.gov · 1 engines · 2007–2008 · Updated Nov 3, 2026
Quick answer

Against 39 other 5-cyl cars rated 2006–2008, the i-370 trails their 21.1 mpg average by 3.1 mpg, about $313 a year.

Every Isuzu i-370 engine, compared

The Isuzu i-370 was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.

FIG.01·Isuzu i-370 gas mileage by engine
EngineCombinedCity / HighwayYearsFuel per year
3.7L 5-cyl1815.5 / 222007–2008$2,133
ROWS 1·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

FIG.02·Isuzu i-370 fuel cost
MeasureValue
Cost per mile (2008)$0.178
Fuel per year$2,133
Fuel over five years$10,665
Against other 5-cyl cars, 2006–2008+$313 a year
EPA's own estimate$3,450 a year
ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The 2008 Isuzu i-370 gives up 6 mpg in town: 22 on the highway against 16 in the city, $655 a year if every mile were city driving.

FIG.03·Isuzu i-370 city versus highway
MeasureValueReading
City (2008)16 mpg$2,400 a year if you only drive in town
Highway22 mpg$1,745 a year if you mostly commute
Gap+6 mpg (38%)Wide — this car dislikes traffic
ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the i-370 changed over the years

Combined figure across the 2 model years the i-370 was rated in, all of them at 18 mpg.

FIG.04·Isuzu i-370 gas mileage by model year
Model yearCombinedCity / HighwayEngines offeredFuel per year
20081816 / 221$2,133
20071815 / 221$2,133
ROWS 2·SOURCE EPA fueleconomy.gov + ForCar
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How we count

This page rests on 2 EPA ratings of the Isuzu i-370 — 1 engine across 2007–2008. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $3,450. Full method.

Frequently asked questions

What mpg does the 2008 Isuzu i-370 get?

18 mpg combined, 16 city and 22 highway, per EPA. Across every year since 2007 the i-370 has averaged 18 mpg.

Is the 2008 i-370 more efficient than the 2007?

About the same: 18 against 18 mpg combined.

Gas mileage ratings from EPA fueleconomy.gov, unadjusted. Running cost computed by ForCar at 12,000 miles a year and $3.20 a gallon. Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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